<!DOCTYPE html>
<html>
<head>
    <title>Chroma.js</title>
    <script type="text/javascript" src="../../chroma.js"></script>
</head>
<body>

    <script type="text/javascript">

    function showScale(color, mode, odiv) {
        var c = document.createElement('div');
        for (var i=0; i <= 1; i += 0.01) {
            var col = chroma(color).luminance(i, mode);
            var d = document.createElement('div');
            d.style.display = 'inline-block';
            d.style.width = '10px';
            d.style.height = '60px';
            d.style.background = col.hex();
            c.appendChild(d);
        }
        odiv.appendChild(c);
    }

    var scales = [
        ['red', 'rgb'],
        ['red', 'lab'],
        ['yellow', 'lab'],
        ['black', 'rgb'],
        ['blue', 'rgb'],
        ['green', 'rgb'],
        ['green', 'lab'],
        ['orange', 'rgb']
    ];

    for (var s in scales) {
        s = scales[s];
        d = document.createElement('div');
        d.style.position = 'relative';
        document.body.appendChild(d);
        d.innerHTML = "<div style='position:absolute;top:5px;left:10px;opacity:0.9;color:#000;text-shadow:-1px -1px 0px rgba(255,255,255,0.3), 1px 1px 0px rgba(255,255,255,0.3), -1px 1px 0px rgba(255,255,255,0.3), 1px -1px 0px rgba(255,255,255,0.3)'><code>" + s.join(' / ') + "</code></div>";
        showScale(s[0], s[1], d);
    }



    </script>

</body>
</html>